<template>
	<div>
		<h1>当前求和为：{{sum}}</h1>
		<h3>当前求和放大10倍后为：{{bigSum}}</h3>
		<h3>我在{{school}}学习{{subject}}</h3>
		<select v-model.number="n">
			<option value="1">1</option>
			<option value="2">2</option>
			<option value="3">3</option>
		</select>
		<button @click="increment(n)">+</button>
		<button @click="decrement(n)">-</button>
		<button @click="incrementOdd(n)">当前求和为奇数再加</button>
		<button @click="incrementWait(n)">等一等再加</button>
	</div>
</template>

<script>
	import {
		mapState,
		mapGetters,
		mapMutations,
		mapActions
	} from 'vuex'

	export default {
		name: 'Count',
		data() {
			return {
				n: 1,
			}
		},
		computed: {
			...mapState(['sum', 'school', 'subject']),
			...mapGetters(['bigSum'])
		},
		methods: {
			/* increment() {
				this.$store.commit('JIA', this.n)
			},
			decrement() {
				this.$store.commit('JIAN', this.n)
			}, */
			...mapMutations({
				increment: 'JIA',
				decrement: 'JIAN'
			}),
			/* incrementOdd() {
				this.$store.dispatch('odd', this.n)
			},
			incrementWait() {
				this.$store.dispatch('wait', this.n)
			}, */
			...mapActions({
				incrementOdd: 'odd',
				incrementWait: 'wait'
			})
		}
	}
</script>

<style scoped>
	button {
		margin: 0 10px;
	}
</style>
